Extremely influential French chemist (1743-1794) noted for his discovery of the role oxygen plays in combustion; he was executed by guillotine during the French Revolution due to his involvement with the deeply unpopular Ferme Générale. Rare ALS in French, signed "Lavoisier," one page both sides, 6.75 x 8.5, February 13, 1792. An untranslated handwritten letter. In very good to fine condition, with scattered light staining.
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